An administrator connects two switches together in a local enterprise network. The ports of one switch support Fast Ethernet, while the ports of the other switch support Gigabit Ethernet. Hosts connected to one switch are able to communicate, however communication between the two switches fails. What is the possible reason for this?

• A.One port is supporting auto-negotiation, while auto-negotiation is disabled on the port of the other switch.
• B.The ports have disabled auto-negotiation.
• C.A Fast Ethernet port cannot communicate directly with a Gigabit Ethernet port.
• D.The port of one switch is operating using half duplex mode, while the port of the other switch is using full duplex mode.

Comment: *

Name: *

Email: *

Verification: *

Static routing configuration command preference_value parameters, the following statements is correct ().

• A.In the same command several times in preference_value value input, multiple effect
• B.to reach the same destination IP address for multiple routes, routing can be configured to achieve different preference_value backup
• C.In the same command several times in preference_value value can enter, only the last valid
• D.In the same command several times in preference_value value can be entered, only the first valid

Comment: *

Name: *

Email: *

Verification: *

Two routers are connected through serial interfaces and support PPP encapsulation.
Which parameters must be negotiated to establish the PPP connection? (Choose three.)

• A.Magic-Number
• B.Authentication password
• C.Authentication Protocol
• D.MRU

Comment: *

Name: *

Email: *

Verification: *

When the data encapsulation mode of IPSec is tunnel mode, the IP address of the intranet host is hidden. The reason for this is to protect the entire original packet.
Safety

• A.Yes
• B.Wrong

Comment: *

Name: *

Email: *

Verification: *

The administrator has configured an IP address for Host A and Host B, but had forgotten to configure a default gateway.
What effect will this have on the hosts?

• A.Neither host will be affected, and therefore will be able to communicate with the peer.
• B.Host A will be unable to connect to the router's G0/0/0 interface.
• C.The host will be unable to reach neither the local nor remote network destinations.
• D.Hosts will be unable to communicate unless arp-proxy is enabled on the router.

Comment: *

Name: *

Email: *

Verification: *